Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

New York's oldest magic store.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

Buy a token from the liquor store and you can make this beast spew flames on command.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

This rare female version of the Muffler Man has its clothes removed each summer to signal the start of pool season.

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

An acoustic anomaly with a mysterious cause.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

Spanking machines, fake goats, and more devices of humiliation are on display in this museum of fraternal initiation devices.

Once known as the Illinois Asylum for the Incurable Insane.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

Giant granite rocks standing end-to-end like a train of circus elephants.

A museum dedicated to man's boldest venture.

Less a museum than a bizarre fantasy world created by artists and engineers.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

A lifetime's accumulation of bric-a-brac and kitsch.